Service Guide
SW-Flat 2.1 500
Version : 1.0
Page 8 of 16
1.2.2 Volume , Bass no function
Problem
Solutions
1.2.3 Power LED (indicator) no light
Problem
Solutions
Volume , Bass no function
Broken or short circuit
Defective VR1 , VR2
Check solder points on PCB
Analyzer and
Identify the Causes
Power LED (indicator) no light
Power switch or LED
defective
DefectiveD1-D2,
D5-D6
DC cord of adaptor
disconnected or defective
Resolder or replace
defective component(s)
Analyzer and
Identify the Causes
Check and Replace defective
components
jomi
